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ATA5783_14

Description
UHF ASK/FSK Receiver
File Size681KB,20 Pages
ManufacturerAtmel (Microchip)
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ATA5783_14 Overview

UHF ASK/FSK Receiver

ATA5781/ATA5782/ATA5783
UHF ASK/FSK Receiver
SUMMARY DATASHEET
Features
AVR
®
microcontroller core with 1Kbyte SRAM and 24Kbyte RF library in firmware
(ROM)
Atmel
®
ATA5782: 20Kbyte of user flash
Atmel ATA5783: 20Kbyte of user ROM
Atmel ATA5781: No user memory — RF library in firmware only
Supported frequency ranges
Low-band 310MHz to 318MHz, 418MHz to 477MHz
High-band 836MHz to 956MHz
315.00MHz/433.92MHz/868.30MHz and 915.00MHz with one 24.305MHz crystal
Low current consumption
9.8mA for RXMode (low-band), 1.2mA for 21ms cycle three-channel polling
Typical OFFMode current of 5nA (maximum 600nA at Vs = 3.6V and T = 85°C)
Supports the 0dBm class of ARIB STD-T96
Input 1dB compression point
–48dBm (full sensitivity level)
–20dBm (active antenna damping)
Programmable channel frequency with fractional-N PLL
93Hz resolution for low-band
185Hz resolution for high-band
FSK deviation ±0.375kHz to ±93kHz
FSK sensitivity (Manchester coded) at 433.92MHz
–108.5dBm at 20Kbit/s
–111dBm at 10Kbit/s
–114dBm at 5Kbit/s
–122.5dBm at 0.75Kbit/s
Δf
= ± 20kHz
Δf
= ± 10kHz
Δf
= ± 5kHz
Δf
= ± 0.75kHz
BWIF = 80kHz
BWIF = 25kHz
BWIF = 165kHz
BWIF = 165kHz
BWIF = 165kHz
BWIF = 25kHz
ASK sensitivity (Manchester coded) at 433.92MHz
–110.5dBm at 20Kbit/s
–125dBm at 0.5Kbit/s
This is a summary document.
The complete document is
available under NDA. For more
information, please contact
your local Atmel sales office.
Programmable Rx-IF bandwidth 25kHz to 366kHz (approximately 10% steps)
Blocking (BWIF = 165kHz): 64dBc at frequency offset = 1MHz and 48dBc at 225kHz
High image rejection: 55dB at 315MHz/433.92MHz and 47dB at 868.3MHz/915MHz
without calibration
9286FS-RKE-08/14

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ATA5783_14 ATA5781_14 ATA5782_14
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